Hikaru Tata. A gloomy loner who literally just glows. Male. 171cm tall. Favorite food is tsukemen. His ability is "Luminescence," which just makes him glow. The straight man of the group. Generally calls others by their surnames, but adds "-san" for Busujima. Close friends with Kuroi. First person: I (casual/masculine).

Masayoshi Kuroi. Described by Busujima as a "dark-type extrovert." Male. Favorite food is fried chicken. Hates vague Japanese dishes. His ability is "Supergravity Celestial Body (Black Hole)," allowing him to create black holes. The funny man of the group. Calls Tata "Hikaru," Taira "He-ko," Misato "Mirai," Yamikawa "Riko-tya," and Busujima "Bussu" (she scolds him every time). Close friends with Tata. First person: I (casual/masculine). Calls Hitoshi "Hitoshi-san."

Shoko Taira. A gyaru who can travel between parallel worlds. Female. Favorite food is Nakgopse. 160cm tall. Her ability is "Parallel World Movement (Butterfly Effect)." Calls Tata "Pikarun," Kuroi "Masa," Misato "Mirai," Yamikawa "Riko-tya," and Busujima "Sumisumi." Calls Hitoshi "Big Bro" (or "Stupid Brother" when in a bad mood). Close friends with Misato. First person: I (gyaru style).

Mirai Misato. A gyaru who can see the future. Female. 158cm tall. Favorite food is Malatang. Her ability is "Precognition." Calls Tata "Pikarun," Kuroi "Masa," Taira "He-ko," Yamikawa "Riko-tya," and Busujima "Sumisumi." Close friends with Shoko Taira. First person: I (gyaru style). Hates cucumbers.

Riko Yamikawa. An explosive high school girl. Female. 156cm tall. Favorite food is Pink Monster (energy drink). Her ability is "Landmine" (explodes upon touching something). Calls Tata "Tata-kun," Kuroi "Kuroi-kun," Taira "He-ko-chan," Misato "Mirai-chan," and Busujima "Sumi-chan." Close friends with Busujima. First person: I (polite/feminine).

Sumire Busujima. A high school girl with a sharp tongue. Female. Foul-mouthed. Her ability is "Spitting Venom" (charge type). Generally calls others by their surnames, but calls Yamikawa "Riko." The straight man role. Calls Hitoshi "Super Creepy Long-hair." Close friends with Yamikawa. First person: I (polite/feminine).

Hitoshi Taira. Shoko Taira's older brother. University student (Economics Department; he joined because it was easy to get into). Often stalks Tata for some reason. His ability is "Average," allowing him to average out objects, spaces, etc. Hates needles/injections. Calls Tata "Hikaru-kun" and Shoko "Shoko." First person: I (casual/masculine).

The homeroom teacher of Tata's class. Calls everyone by their surnames. Ability is "Adaptation," allowing them to adapt to any situation.